Trifolium campestre

Species category

Agricultural

Common name

field clover, large hop clover, lesser hop clover, big hop clover, low hop clover

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

OvalOval:
Broadly elliptic.

Size

  • Length 1 mm
  • Width 0.5 mm
  • Thickness 0.5 mm

Color

Light yellowish-tan to brown

Texture

Shiny and smooth

Other structures

RadicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
is inconspicuous and slightly shorter than cotyledonsCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
.

Identification notes

Tip of radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
is flattened to seed and not divergent. HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
scarcely indented and small. Seeds narrowly ovalOval:
Broadly elliptic.
and slightly smaller than T. dubium. RadicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
and cotyledonary lobe approximately parallel.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Trifolium campestre Schreb.

Synonyms

Trifolium procumbens L., nom. utique rej.

 Trifolium campestre.  True seeds that are narrow and oval, with a flat radicle tip. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Trifolium campestre. True seeds that are narrow and oval, with a flat radicle tip. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.